cyf
74 lines
1.7 KiB
C#
74 lines
1.7 KiB
C#
using System;
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using System.Collections;
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using System.Text;
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namespace Zhaizj.Framework {
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/// <summary>
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/// 根据插入先后次序排序的 Hashtable
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/// </summary>
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public class Dictionary : Hashtable {
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private ArrayList _keys = new ArrayList();
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public Dictionary() {
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}
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/// <summary>
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/// 将键值插入字典
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/// </summary>
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/// <param name="key"></param>
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/// <param name="value"></param>
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public override void Add( Object key, Object value ) {
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base.Add( key, value );
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_keys.Add( key );
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}
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/// <summary>
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/// 设置字典的键值
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/// </summary>
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/// <param name="key"></param>
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/// <param name="value"></param>
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public void Set( Object key, Object value ) {
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base[key] = value;
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if (!_keys.Contains( key )) _keys.Add( key );
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}
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/// <summary>
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/// 清楚所有数据
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/// </summary>
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public override void Clear() {
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base.Clear();
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_keys.Clear();
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}
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/// <summary>
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/// 获取所有的 key（按照插入次序排序）
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/// </summary>
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public override ICollection Keys {
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get { return _keys; }
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}
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/// <summary>
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/// 删除某项
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/// </summary>
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/// <param name="key"></param>
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public override void Remove( Object key ) {
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base.Remove( key );
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_keys.Remove( key );
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}
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/// <summary>
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/// 根据 index 获取某项数据
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/// </summary>
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/// <param name="index"></param>
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/// <returns></returns>
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public Object Get( int index ) {
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Object key = _keys[index];
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return base[key];
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}
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}
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}
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